| version 1.5, 2004/01/27 15:56:57 | version 1.24, 2011/01/15 18:36:12 | 
| Line 1 | Line 1 | 
 | /*      $Id$    */ |  | 
 |  |  | 
 | /* | /* | 
 | * Copyright (c) 2003 NONAKA Kimihiro | * Copyright (c) 2003 NONAKA Kimihiro | 
 | * All rights reserved. | * All rights reserved. | 
| Line 12 | Line 10 | 
 | * 2. Redistributions in binary form must reproduce the above copyright | * 2. Redistributions in binary form must reproduce the above copyright | 
 | *    notice, this list of conditions and the following disclaimer in the | *    notice, this list of conditions and the following disclaimer in the | 
 | *    documentation and/or other materials provided with the distribution. | *    documentation and/or other materials provided with the distribution. | 
 | * 3. The name of the author may not be used to endorse or promote products |  | 
 | *    derived from this software without specific prior written permission. |  | 
 | * | * | 
 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | 
 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | 
| Line 39  extern "C" { | Line 35  extern "C" { | 
 | * | * | 
 | *  31                                    12 11   9 8  7 6 5  4   3   2   1  0 | *  31                                    12 11   9 8  7 6 5  4   3   2   1  0 | 
 | * +----------------------------------------+------+-+--+-+-+---+---+---+---+-+ | * +----------------------------------------+------+-+--+-+-+---+---+---+---+-+ | 
| * |   ページ・テーブルのベース・アドレス   |使用可|G|PS|0|A|PCD|PWT|U/S|R/W|P| | * |   ページ・テーブルのベース・アドレス   |使用可|G|PS|-|A|PCD|PWT|U/S|R/W|P| | 
 | * +----------------------------------------+------+-+--+-+-+---+---+---+---+-+ | * +----------------------------------------+------+-+--+-+-+---+---+---+---+-+ | 
 | *                                              |   |  | | |  |   |   |   |  | | *                                              |   |  | | |  |   |   |   |  | | 
 | * 9-11: システム・プログラマが使用可能 --------+   |  | | |  |   |   |   |  | | * 9-11: システム・プログラマが使用可能 --------+   |  | | |  |   |   |   |  | | 
 | *    8: グローバル・ページ(無視される) ------------+  | | |  |   |   |   |  | | *    8: グローバル・ページ(無視される) ------------+  | | |  |   |   |   |  | | 
 | *    7: ページ・サイズ (0 = 4k バイトページ) ---------+ | |  |   |   |   |  | | *    7: ページ・サイズ (0 = 4k バイトページ) ---------+ | |  |   |   |   |  | | 
| *    6: 予約 (0) ---------------------------------------+ |  |   |   |   |  | | *    6: 予約 (-) ---------------------------------------+ |  |   |   |   |  | | 
 | *    5: アクセス -----------------------------------------+  |   |   |   |  | | *    5: アクセス -----------------------------------------+  |   |   |   |  | | 
 | *    4: キャッシュ無効 --------------------------------------+   |   |   |  | | *    4: キャッシュ無効 --------------------------------------+   |   |   |  | | 
 | *    3: ライトスルー --------------------------------------------+   |   |  | | *    3: ライトスルー --------------------------------------------+   |   |  | | 
| Line 54  extern "C" { | Line 50  extern "C" { | 
 | *    0: ページ存在 ---------------------------------------------------------+ | *    0: ページ存在 ---------------------------------------------------------+ | 
 | */ | */ | 
 | #define CPU_PDE_BASEADDR_MASK   0xfffff000 | #define CPU_PDE_BASEADDR_MASK   0xfffff000 | 
 |  | #define CPU_PDE_GLOBAL_PAGE     (1 << 8) | 
 | #define CPU_PDE_PAGE_SIZE       (1 << 7) | #define CPU_PDE_PAGE_SIZE       (1 << 7) | 
 |  | #define CPU_PDE_DIRTY           (1 << 6) | 
 | #define CPU_PDE_ACCESS          (1 << 5) | #define CPU_PDE_ACCESS          (1 << 5) | 
 | #define CPU_PDE_CACHE_DISABLE   (1 << 4) | #define CPU_PDE_CACHE_DISABLE   (1 << 4) | 
 | #define CPU_PDE_WRITE_THROUGH   (1 << 3) | #define CPU_PDE_WRITE_THROUGH   (1 << 3) | 
| Line 97  extern "C" { | Line 95  extern "C" { | 
 | * | * | 
 | *  31                                    12 11   9 8 7 6 5  4   3   2   1  0 | *  31                                    12 11   9 8 7 6 5  4   3   2   1  0 | 
 | * +----------------------------------------+------+-+-+-+-+---+---+---+---+-+ | * +----------------------------------------+------+-+-+-+-+---+---+---+---+-+ | 
| * |        ページのベース・アドレス        |使用可|G|0|D|A|PCD|PWT|U/S|R/W|P| | * |        ページのベース・アドレス        |使用可|G|-|D|A|PCD|PWT|U/S|R/W|P| | 
 | * +----------------------------------------+------+-+-+-+-+---+---+---+---+-+ | * +----------------------------------------+------+-+-+-+-+---+---+---+---+-+ | 
 | *                                              |   | | | |  |   |   |   |  | | *                                              |   | | | |  |   |   |   |  | | 
 | *  9-11: システム・プログラマが使用可能 -------+   | | | |  |   |   |   |  | | *  9-11: システム・プログラマが使用可能 -------+   | | | |  |   |   |   |  | | 
 | *     8: グローバル・ページ -----------------------+ | | |  |   |   |   |  | | *     8: グローバル・ページ -----------------------+ | | |  |   |   |   |  | | 
| *     7: 予約 (0) -----------------------------------+ | |  |   |   |   |  | | *     7: 予約 (-) -----------------------------------+ | |  |   |   |   |  | | 
 | *     6: ダーティ -------------------------------------+ |  |   |   |   |  | | *     6: ダーティ -------------------------------------+ |  |   |   |   |  | | 
 | *     5: アクセス ---------------------------------------+  |   |   |   |  | | *     5: アクセス ---------------------------------------+  |   |   |   |  | | 
 | *     4: キャッシュ無効 ------------------------------------+   |   |   |  | | *     4: キャッシュ無効 ------------------------------------+   |   |   |  | | 
| Line 113  extern "C" { | Line 111  extern "C" { | 
 | */ | */ | 
 | #define CPU_PTE_BASEADDR_MASK   0xfffff000 | #define CPU_PTE_BASEADDR_MASK   0xfffff000 | 
 | #define CPU_PTE_GLOBAL_PAGE     (1 << 8) | #define CPU_PTE_GLOBAL_PAGE     (1 << 8) | 
 |  | #define CPU_PTE_PAGE_SIZE       (1 << 7) | 
 | #define CPU_PTE_DIRTY           (1 << 6) | #define CPU_PTE_DIRTY           (1 << 6) | 
 | #define CPU_PTE_ACCESS          (1 << 5) | #define CPU_PTE_ACCESS          (1 << 5) | 
 | #define CPU_PTE_CACHE_DISABLE   (1 << 4) | #define CPU_PTE_CACHE_DISABLE   (1 << 4) | 
| Line 121  extern "C" { | Line 120  extern "C" { | 
 | #define CPU_PTE_WRITABLE        (1 << 1) | #define CPU_PTE_WRITABLE        (1 << 1) | 
 | #define CPU_PTE_PRESENT         (1 << 0) | #define CPU_PTE_PRESENT         (1 << 0) | 
 |  |  | 
| /* paging_check(): rw */ |  | 
| #define CPU_PAGING_PAGE_READ    (0 << 0) | /* | 
| #define CPU_PAGING_PAGE_WRITE   (1 << 0) | * linear address memory access function | 
| #define CPU_PAGING_PAGE_CODE    (1 << 1) | */ | 
| #define CPU_PAGING_PAGE_DATA    (1 << 2) | void MEMCALL cpu_memory_access_la_region(UINT32 address, UINT length, const int ucrw, UINT8 *data); | 
|  | UINT32 MEMCALL laddr2paddr(const UINT32 laddr, const int ucrw); | 
|  | #define laddr_to_paddr(laddr, ucrw) \ | 
| /* enter/leave paging mode */ | (!CPU_STAT_PAGING) ? (laddr) : (laddr2paddr((laddr), (ucrw))) | 
| void FASTCALL change_pg(int onoff); |  | 
|  |  | 
| /* paging check */ | /* ucrw */ | 
| void MEMCALL paging_check(DWORD laddr, DWORD length, int rw); | #define CPU_PAGE_WRITE          (1 << 0) | 
|  | #define CPU_PAGE_CODE           (1 << 1) | 
| /* | #define CPU_PAGE_DATA           (1 << 2) | 
| * linear address function | #define CPU_PAGE_USER_MODE      (1 << 3)        /* == CPU_MODE_USER */ | 
| */ | #define CPU_PAGE_READ_CODE      (CPU_PAGE_CODE) | 
| DWORD MEMCALL cpu_linear_memory_read(DWORD address, DWORD length, int code); | #define CPU_PAGE_READ_DATA      (CPU_PAGE_DATA) | 
| void MEMCALL cpu_linear_memory_write(DWORD address, DWORD length, DWORD value); | #define CPU_PAGE_WRITE_DATA     (CPU_PAGE_WRITE|CPU_PAGE_DATA) | 
|  |  | 
| #define cpu_lmemoryread(a) \ | UINT8 MEMCALL cpu_memory_access_la_RMW_b(UINT32 laddr, UINT32 (*func)(UINT32, void *), void *arg); | 
| (CPU_STAT_PAGING) ? \ | UINT16 MEMCALL cpu_memory_access_la_RMW_w(UINT32 laddr, UINT32 (*func)(UINT32, void *), void *arg); | 
| (BYTE)cpu_linear_memory_read(a, 1, FALSE) : \ | UINT32 MEMCALL cpu_memory_access_la_RMW_d(UINT32 laddr, UINT32 (*func)(UINT32, void *), void *arg); | 
| cpu_memoryread(a); | UINT8 MEMCALL cpu_linear_memory_read_b(UINT32 laddr, const int ucrw); | 
| #define cpu_lmemoryread_w(a) \ | UINT16 MEMCALL cpu_linear_memory_read_w(UINT32 laddr, const int ucrw); | 
| (CPU_STAT_PAGING) ? \ | UINT32 MEMCALL cpu_linear_memory_read_d(UINT32 laddr, const int ucrw); | 
| (WORD)cpu_linear_memory_read(a, 2, FALSE) : \ | UINT64 MEMCALL cpu_linear_memory_read_q(UINT32 laddr, const int ucrw); | 
| cpu_memoryread_w(a); | REG80 MEMCALL cpu_linear_memory_read_f(UINT32 laddr, const int ucrw); | 
| #define cpu_lmemoryread_d(a) \ | void MEMCALL cpu_linear_memory_write_b(UINT32 laddr, UINT8 value, const int user_mode); | 
| (CPU_STAT_PAGING) ? \ | void MEMCALL cpu_linear_memory_write_w(UINT32 laddr, UINT16 value, const int user_mode); | 
| cpu_linear_memory_read(a, 4, FALSE) : \ | void MEMCALL cpu_linear_memory_write_d(UINT32 laddr, UINT32 value, const int user_mode); | 
| cpu_memoryread_d(a); | void MEMCALL cpu_linear_memory_write_q(UINT32 laddr, UINT64 value, const int user_mode); | 
|  | void MEMCALL cpu_linear_memory_write_f(UINT32 laddr, const REG80 *value, const int user_mode); | 
| #define cpu_lmemorywrite(a,v) \ |  | 
| (CPU_STAT_PAGING) ? \ | #define cpu_lmemoryread(a,pl) \ | 
| cpu_linear_memory_write(a, 1, v) : \ | (!CPU_STAT_PAGING) ? \ | 
| cpu_memorywrite(a,v); | cpu_memoryread(a) : \ | 
| #define cpu_lmemorywrite_w(a,v) \ | cpu_linear_memory_read_b(a,CPU_PAGE_READ_DATA | (pl)) | 
| (CPU_STAT_PAGING) ? \ | #define cpu_lmemoryread_b(a,pl) cpu_lmemoryread(a,pl) | 
| cpu_linear_memory_write(a, 2, v) : \ | #define cpu_lmemoryread_w(a,pl) \ | 
| cpu_memorywrite_w(a,v); | (!CPU_STAT_PAGING) ? \ | 
| #define cpu_lmemorywrite_d(a,v) \ | cpu_memoryread_w(a) : \ | 
| (CPU_STAT_PAGING) ? \ | cpu_linear_memory_read_w(a,CPU_PAGE_READ_DATA | (pl)) | 
| cpu_linear_memory_write(a, 4, v) : \ | #define cpu_lmemoryread_d(a,pl) \ | 
| cpu_memorywrite_d(a,v); | (!CPU_STAT_PAGING) ? \ | 
|  | cpu_memoryread_d(a) : \ | 
| #define cpu_lcmemoryread(a) \ | cpu_linear_memory_read_d(a,CPU_PAGE_READ_DATA | (pl)) | 
| (CPU_STAT_PAGING) ? \ | #define cpu_lmemoryread_q(a,pl) \ | 
| (BYTE)cpu_linear_memory_read(a, 1, TRUE) : \ | (!CPU_STAT_PAGING) ? \ | 
| cpu_memoryread(a); | cpu_memoryread_q(a) : \ | 
| #define cpu_lcmemoryread_w(a) \ | cpu_linear_memory_read_q(a,CPU_PAGE_READ_DATA | (pl)) | 
| (CPU_STAT_PAGING) ? \ |  | 
| (WORD)cpu_linear_memory_read(a, 2, TRUE) : \ | #define cpu_lmemorywrite(a,v,pl) \ | 
| cpu_memoryread_w(a); | (!CPU_STAT_PAGING) ? \ | 
| #define cpu_lcmemoryread_d(a) \ | cpu_memorywrite(a,v) : cpu_linear_memory_write_b(a,v,pl) | 
| (CPU_STAT_PAGING) ? \ | #define cpu_lmemorywrite_b(a,v,pl) cpu_lmemorywrite(a,v,pl) | 
| cpu_linear_memory_read(a, 4, TRUE) : \ | #define cpu_lmemorywrite_w(a,v,pl) \ | 
| cpu_memoryread_d(a); | (!CPU_STAT_PAGING) ? \ | 
|  | cpu_memorywrite_w(a,v) : cpu_linear_memory_write_w(a,v,pl) | 
| #define set_CR3(cr3) \ | #define cpu_lmemorywrite_d(a,v,pl) \ | 
| do { \ | (!CPU_STAT_PAGING) ? \ | 
| CPU_CR3 = (cr3) & CPU_CR3_MASK; \ | cpu_memorywrite_d(a,v) : cpu_linear_memory_write_d(a,v,pl) | 
| tlb_flush(FALSE); \ | #define cpu_lmemorywrite_q(a,v,pl) \ | 
| } while (/*CONSTCOND*/ 0) | (!CPU_STAT_PAGING) ? \ | 
|  | cpu_memorywrite_q(a,v) : cpu_linear_memory_write_q(a,v,pl) | 
|  |  | 
|  | /* | 
|  | * linear address memory access with superviser mode | 
|  | */ | 
|  | #define cpu_kmemoryread(a)      cpu_lmemoryread(a,CPU_MODE_SUPERVISER) | 
|  | #define cpu_kmemoryread_w(a)    cpu_lmemoryread_w(a,CPU_MODE_SUPERVISER) | 
|  | #define cpu_kmemoryread_d(a)    cpu_lmemoryread_d(a,CPU_MODE_SUPERVISER) | 
|  | #define cpu_kmemorywrite(a,v)   cpu_lmemorywrite(a,v,CPU_MODE_SUPERVISER) | 
|  | #define cpu_kmemorywrite_w(a,v) cpu_lmemorywrite_w(a,v,CPU_MODE_SUPERVISER) | 
|  | #define cpu_kmemorywrite_d(a,v) cpu_lmemorywrite_d(a,v,CPU_MODE_SUPERVISER) | 
 |  |  | 
 |  |  | 
 | /* | /* | 
 | * TLB function | * TLB function | 
 | */ | */ | 
| void tlb_init(); | typedef struct { | 
| void tlb_flush(BOOL allflush); | UINT32  tag;    /* linear address */ | 
| void tlb_flush_page(DWORD vaddr); | #define TLB_ENTRY_TAG_VALID             (1 << 0) | 
|  | /*      pde & pte & CPU_PTE_WRITABLE    (1 << 1)        */ | 
|  | /*      pde & pte & CPU_PTE_USER_MODE   (1 << 2)        */ | 
|  | #define TLB_ENTRY_TAG_DIRTY             CPU_PTE_DIRTY           /* (1 << 6) */ | 
|  | #define TLB_ENTRY_TAG_GLOBAL            CPU_PTE_GLOBAL_PAGE     /* (1 << 8) */ | 
|  | #define TLB_ENTRY_TAG_MAX_SHIFT         12 | 
|  |  | 
|  | UINT32  paddr;  /* physical address */ | 
|  |  | 
|  | UINT8   *memp;  /* shortcut for pre-fetch queue */ | 
|  | } TLB_ENTRY_T; | 
|  |  | 
|  |  | 
|  | #if defined(IA32_SUPPORT_TLB) | 
|  | void tlb_init(void); | 
|  | void MEMCALL tlb_flush(BOOL allflush); | 
|  | void MEMCALL tlb_flush_page(UINT32 laddr); | 
|  | TLB_ENTRY_T* MEMCALL tlb_lookup(const UINT32 laddr, const int ucrw); | 
|  | #else | 
|  | #define tlb_init() | 
|  | #define tlb_flush(allflush) | 
|  | #define tlb_flush_page(la) | 
|  | #define tlb_lookup(la, ucrw)    NULL | 
|  | #endif | 
 |  |  | 
 | #ifdef __cplusplus | #ifdef __cplusplus | 
 | } | } |